Records of the Geological Survey of India, Volume 132, Part 5The Survey, 1997 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 19
... thick and grades vertically into phyllite and dolomite and is overlain by 100 m thick Bairenkonda Formation in Balarajupalle section . The quartzite is well sorted , mineralogically mature , silica cemented and partly recrystallised ...
... thick and grades vertically into phyllite and dolomite and is overlain by 100 m thick Bairenkonda Formation in Balarajupalle section . The quartzite is well sorted , mineralogically mature , silica cemented and partly recrystallised ...
Page 58
... thick Vempalle Formation comprising siliceous , cherty dolomite with chert and shale interbands of 2 to 3 m thickness . This is followed by 800 m thick stromatolitic dolomite containing 10 to 20 cm thick shale and chert partings ...
... thick Vempalle Formation comprising siliceous , cherty dolomite with chert and shale interbands of 2 to 3 m thickness . This is followed by 800 m thick stromatolitic dolomite containing 10 to 20 cm thick shale and chert partings ...
Page 115
... thick calcareous nodules / band as observed in the borehole CBTP - 1 . Similar to the first borehole , this borehole is also characterised by a thick development of poorly consolidated quartzose sandstone beds ranging in thickness from ...
... thick calcareous nodules / band as observed in the borehole CBTP - 1 . Similar to the first borehole , this borehole is also characterised by a thick development of poorly consolidated quartzose sandstone beds ranging in thickness from ...
Contents
Project JonnagiriKadiriGadwal Schist Belts | 21 |
Ramagiri Schist Belt | 27 |
Project Diamond | 34 |
Copyright | |
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acid volcanics amphibolite ANDHRA PRADESH argillites assessment auriferous bands basin biotite block boreholes carried chargeability charnockite charnockite gneiss Chitradurga clay construction Cuddapah delineated depth Dharmapuri district dimension stone dolerite downstream drilled earth dam east emplaced ENE-WSW excavated exposed faults field season folds foliation Formation foundation fractures geochemical GEOLOGICAL MAP geophysical gneiss Gneissic gold mineralisation grained granite granite gneiss granulite grey grouting hornblende indicated intersected intrusive joints KARNATAKA KERALA kimberlite laterite limestone lineament located lode mafic magnetic major migmatitic minerals NE-SW NNW-SSE NW-SE occurs pegmatite pegmatite veins phyllite pink Plate-1 potential power house pyroxene pyroxene granulite quartz quartz veins quartzite regional Reservoir Project River rock types samples scale schist belt sediments seepage shaft shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys Tamil Nadu tectonic terrain thick traverses trench trending tunnel upto vertical weathered